Filing-machine.



E. C. BRULL.

FILING MACHINE.

APPLICATION rILnD Nov. 14, 190s.

` Patelltd Jail. 31, 1911.

982,791. ill-f fa j 1 -i EUGENE C. BRULL, CHICAGO, ILLINOIS.

FILING-MACHINE.

Specification of Letters Patent.

Patented Jan. 31, 1911.

Application filed November 14, 1908. SerialNo. 462.557.

To all whom it may concern:

Be. it known that I. EUGENE C. BRULL. a citizen of the United States,and a resident of the city of Chicago, Cook county, Illinois, haveinvented certain new and useful Im- .provements in Filing-Machines; andI do hereby declare that the following is a full,

clear, and exact description of t-he same.` refvangle with reference toany other portion of the body operated upon. IVhere this has been doneby hand. it frequently occurs that the slight rocking motion frequentlyoccasioned in 'using the file or even slight differencesl in pressureunconsciously made by the operator result in varying the angle of theworki so vthat frequently a good fit is not secured although the utmostcare is taken to secure the same.

rIhe object of this invention is to afford a filing machine adapted foruse more particularly by model, tool and die makers,

though, of course, valuable for others and by the use of which anydesired surface may be dressed to exactly the conformation and anglerequired.

It is also an object. of the invention to afford a machine of the classdescribed in which a file may be set at any desired angle with referenceto the work and table, or rather, the work table may be adjusted at anydesired angle with reference to the cutting face of the file'.

It is alsjo an object of the invention tol afford a machine adapted toreceive files of any desired shape or size, and provided with meanswherein the throw or movement of the file may be accurately adjusted toafford a long or a short cut.

The invention embraces' many novel feaf tures and consists in themattershereinafter described and more fully pointed out and defned'inthe appended claims.

In the drawings: Figure 1 is a fragmentary vertical section of a machineembodyi ing my invention taken longitudinally of the driving shaft. Fig.2 is a section taken on line 2-2 of Fig. 1. Fig. 3 is a section taken onlille 3 3 ofFig. l. Fig. 4 is an inner face view of the adjustableeccentric roller. Fig. 5 is a fragmentary face view of the file spindlewith the head for the eccentric roller thereon. Fig. 6 is an enlargedfragmentary detail illustrating one of the adjusting means for thetilting table. Fig. 7 is an enlarged fragmentary detail of the bedillustrating the construction whereby tiles of any preferred shape maybe used. though admitting small pieces of work to be approached asclosely as may be desired thereto. Fig. 8 illustrates a modification forvarying the angular adjustment of the table.

As shown in the drawings: said machine is constructed upon a frame,which though shown as a bench frame, lnay be of any desired' size and isindicated as a whole by A. and consists of a base n, and upper standarda., centrally apertured and affording a long apertured boss a2, in whichisjonrnaled a main driven shaft B, provided with a belt pulley and asshown, secured if desired in a suitable anti-friction sleeve or bushingb. At its upper end -said standard is rahbeted at a right. angle withthe shaft l. and also provided with a vertical groove. A verticallyadjustable, section (1*, is engaged in the groove by means of a setscrew b4, and slidably engaged therein by means of a set screw 712, is asegment 7:3, integral with the work table B, which may be constructed ofcast metal.

J ournaled on the side of the section a4, is a pinion a3, which mesheswith the mutilated gear or rack on thc seglnent b3, as shown in Figs. 2and 6, and is provided with a slotted and angular head on its pintle orshaft adapted to be engaged by a wrench or screw driver, or othersuitable tool to rotate the pinion, and thereby adjust the bed. As shownin Fig. 8, the segment b", (which corresponds to the segment b3) isprovided with a worm and a worm gear bf, is provided for adjustingthesame. As shown, the section a4, and also the segmentV b3, are slottedto receive the set screw b2, therein, to facilitate the adjustment.

The bottom portion D, of the bed extends rearwardly from the standard a,as does also an arm d, above the same. Said bottom or base section andalso said arm are each provided with an aperture therethrough in lwhichis secured an anti-friction bushing or sleeve cZ,-in which is slidablyengaged the file actuating stem or shaft E. As shown also, the'worktable B, in alinement with the apertures in said base and the arm d, isprovided with an aperture therethrough, as shown in Figs. 1 and 7 ofsufficient size to receive any tile that it may be desired to use, andset at whatsoever angle with reference to the angle Kthat may berequired, and as shown, the metal about said aperture is trimmed away toafford a seat in which may be dropped a washer (Z2, having anaperturetherein suitable for the tile employed. Thus by having different shapedbores therethrough a support for the work is afforded close to the file.

On the inner end of the shaft B, lis provided a face plate F, which isprovided with a dove-tail seat extending diani'etrically across thesame, 'and as shown, at'- each end of the groove thus afforded, issecuredan upwardly and inwardly directed -metallic` plate f, which isapertured to receive a screw shaft f, thereon and slidable in saiddovetailed groove is a carriage f3, through which said screw shaft hasthreaded connection and carried on said carriage or block f3, is a camroller f4, which tits in a heade, which comprises, as shown, ahorizontally grooved block rigidly `secured on a sleeve e4, extendingcentrally and transversely'thereof and through and iii which the fileactuating stem E, extends -an-d is rigidly engaged by means 4of a,setscrew c.

The operation is Aas follows; The. suit-able file having' been selected,it is engaged in ythe seat or bore in the end lof the stem by means ofthc set screw c5, and projects upwardly through the aperture in thetilting table B. A suitable washer is then dropped into place over thefile carrying the bed up .close to the file. The table is now adjustedto the proper angle for the work required. This is vaccomplished byreleasing the set screw b2, and actuating the pinion a3, or

` worm L6, by means of a wrench 0r other suitable tool', thus causingthe table B', to swing thereon until the desired adjustment is attained,which may easily be accomplished with reference to the scaleon thesegment, as shown in Fig. 2. The set screw is then adjusted to hold thetable rigidly and the l operation may begin.

As the shaft B, rotates, the roller f4, moving in the traverse track e,therefor carried lon the file stem forcessaid stein to reciprocate witheach rotation of the pulley and shaft B, thus enabling -very rapidmotion to be attained. Should the extent or amplitude of thereciprocation desired vary, adjustment can very quickly be accomplishedby means ofa threaded shaft f, one end of which is slotted to receive ascrew drive, and

'the other end of which is shaped to receive a wrench. Adjustment in onedirection obviously moves :the cam rollertoward thek center whilerotation inl the'opposite direction obviously moves the same toward theperiphery of the 'face plate F, affording a longer throw. An almostinfinite variety of adjustments as to angle may be secured dependentupon the arrangement 'I of the le in the stem E, and it is possible toso adjust the file with reference to the table as to afford any angularcut desired.

Of course, I am aware that struction may be varied. I therefore dodetails of connot purpose limiting nyself otherwise than necessitated bythe prior art.

I claim as my invention:

l. A filing machine, comprising a table, a toothed segment secured tosaid table, a support, means on said support for slidably receiving saidsegment and forming the sole support for the same, and a gear foroscillating said segment in'said support.

2. A filing machine', comprising la frame, a standard verticallyadjustable in said. frame and having a curved groove in its top, atable,y a toothed segment secured to said table and fitting in'saidgroove the same forming the sole support for said table, and

a gear journaled in said standard and meshing with the teeth on saidsegment to oscillate said table to'vaiy the adjustment thereof.

3. A filing machine, comprising a frame, a vertically adjustablestandard secured thereto, said standard having a curved groove in itstop' and a slot opening into said groove,

a table, a toothed segment fixed to said tabley and engaged in saidgroove to form the sole support for said table, a set screw extendingthrough said slot and engaging said segment to limit the vadjustment of.said segment, and a gear meshingwith the teeth of said segment `foradjusting'the table.

In testimony whereof lI have hereunto subscribed my namein the presenceof two subscribing witnesses.

EUGENE c. BRUEL.

' Witnesses: v

K. E. HANNAH, LAWRENCE REIBSTEIN.

